Start again

vendors/echarts/test/lib/facePrint.js

@@ -0,0 +1,79 @@
+// Just for temporarily mobile debug.
+
+(function () {
+
+    var infoDom;
+    var msgs = [];
+
+    var count = 0;
+
+    window.facePrint = function (msg, printObj) {
+        if (!infoDom) {
+            infoDom = createInfoDom();
+        }
+
+        if (printObj && isObject(msg)) {
+            msg = window.facePrint.objToStr(msg);
+        }
+
+        msgs.push(encodeHTML(msg));
+        count++;
+
+        if (msgs.length > 30) {
+            msgs.shift();
+        }
+
+        var str = '';
+        // Make some change in view, otherwise user may
+        // be not aware that log is still printing.
+        for (var i = 0; i < msgs.length; i++) {
+            str += msgs[i] + ' ' + (count - msgs.length + i) + ' ';
+        }
+        infoDom.innerHTML = str;
+    };
+
+    window.facePrint.objToStr = function (obj) {
+        var msgArr = [];
+        for (var key in obj) {
+            msgArr.push(key + '=' + obj[key]);
+        }
+        return msgArr.join(', ');
+    };
+
+    function createInfoDom() {
+        var dom = document.createElement('div');
+
+        dom.style.cssText = [
+            'position: fixed;',
+            'top: 0;',
+            'width: 100%;',
+            'border: 1px solid red;',
+            'height: 20px;',
+            'line-height: 20px;',
+            'z-index: 2147483647'
+        ].join('');
+
+        document.body.appendChild(dom);
+
+        return dom;
+    }
+
+    function encodeHTML(source) {
+        return source == null
+            ? ''
+            : String(source)
+                .replace(/&/g, '&amp;')
+                .replace(/</g, '&lt;')
+                .replace(/>/g, '&gt;')
+                .replace(/"/g, '&quot;')
+                .replace(/'/g, '&#39;');
+    }
+
+    function isObject(value) {
+        // Avoid a V8 JIT bug in Chrome 19-20.
+        // See https://code.google.com/p/v8/issues/detail?id=2291 for more details.
+        var type = typeof value;
+        return type === 'function' || (!!value && type == 'object');
+    }
+
+})();